Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
26/01/2024, 21:28
General
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Target
2024-01-26_dda7a87a2b8337cd09007e7c7e3e44fc_cryptolocker.exe
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Size
81KB
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MD5
dda7a87a2b8337cd09007e7c7e3e44fc
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SHA1
a11a688449ac5187af1e8a764853676dea6af028
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SHA256
0fe6642bdbe0a4bb6e0456d0261e19dbbb972719f0954912ce33d8aec831ccac
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SHA512
d1c16943f11acefd293e9c5ca6b6b3e48b82ab91f0a85cd4dcec0ca5112ccb5e182c996915022f067ab52e7642d03310a3467176696d17c95da8999e8e87cc3e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7Q:T6a+rdOOtEvwDpjN8
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-26_dda7a87a2b8337cd09007e7c7e3e44fc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_dda7a87a2b8337cd09007e7c7e3e44fc_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5c5367566b42cd75e43626b09aade9ada
SHA1e0f7c7b82f1e535c76d534e4117d33f50020e21f
SHA2562eb46bbefdb185664e0fe1822db7f7ae5a27b9292e28dde04cc0fcb452b0790f
SHA51218f6cfddfa439798d74d9456aca3f28efc5cfcb4b3a2d3dc86a7cf30ab22e531b100fe77d2b750ec50f2511c583c1a03d41da63239130c23515ad71b21539839
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB